(19)

(11)

EP 2 010 635 A2

(12)

(88) Date of publication A3: 21.02.2008 (43) Date of publication: 07.01.2009 Bulletin 2009/02 (21) Application number: 07775189.9 (22) Date of filing: 10.04.2007

(51) International Patent Classification (IPC):  C10M 141/12(2006.01) C10M 163/00(2006.01) (86) International application number: PCT/US2007/008945 (87) International publication number: WO 2007/120711 (25.10.2007 Gazette 2007/43)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 13.04.2006 US 791805 P 03.04.2007 US 732335 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)

(72) Inventors: BUCK, William H. West Chester, PA 19832 (US) FARNG, Liehpao Oscar Lawrenceville, NJ 08648 (US) GIVENS, Willie A. Williamstown, NJ 08094 (US) JACKSON, Andrew Pennington, NJ 08534 (US) HORODYSKY, Andrew G. Cherry Hill, NJ 08003 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc. I.P. Law Shared Services P.O. Box 105 Hermeslaan 2 1831 Machelen 1831 Machelen (BE)